The Klein-Gordon equation on the half line: a Riemann-Hilbert approachPelloni, B. and Pinotsis, D. A. (2008) The Klein-Gordon equation on the half line: a Riemann-Hilbert approach. Journal of Non-linear Mathematical Physics, 15 (s3). pp. 334-344. ISSN 1402-9251 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.2991/jnmp.2008.15.s3.32 Abstract/SummaryWe solve an initial-boundary problem for the Klein-Gordon equation on the half line using the Riemann-Hilbert approach to solving linear boundary value problems advocated by Fokas. The approach we present can be also used to solve more complicated boundary value problems for this equation, such as problems posed on time-dependent domains. Furthermore, it can be extended to treat integrable nonlinearisations of the Klein-Gordon equation. In this respect, we briefly discuss how our results could motivate a novel treatment of the sine-Gordon equation.
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